.page-faq {
  --faq-hair: rgba(155, 166, 200, .18);
  --faq-text: #D9DEEC;
  position: relative;
  background:
    radial-gradient(760px 520px at 88% -6%, rgba(168, 85, 247, .18), transparent 62%),
    radial-gradient(640px 460px at 4% 12%, rgba(49, 225, 210, .12), transparent 60%),
    var(--ink-navy);
  color: var(--faq-text);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 5vw, 62px) 0 clamp(42px, 6vw, 82px);
  isolation: isolate;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(60vw, 740px);
  height: min(84%, 540px);
  background: linear-gradient(132deg, rgba(49, 225, 210, .2), rgba(255, 138, 60, .14) 56%, rgba(168, 85, 247, .18));
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 74%);
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-hero .shell {
  position: relative;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 5.2vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: .02em;
  color: #fff;
  max-width: 17ch;
}

.page-faq .faq-hero .lead {
  max-width: 64ch;
  margin: 0;
  font-size: clamp(1rem, 1.35vw, 1.1rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  font-size: .92rem;
  color: var(--cream);
}

.page-faq .faq-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-faq .faq-hero__meta .mono {
  color: var(--cyan);
  font-size: 1.05rem;
  letter-spacing: .04em;
}

/* ---------- 入口分区 ---------- */
.page-faq .faq-entries {
  padding: clamp(34px, 5vw, 72px) 0 0;
}

.page-faq .faq-entries .section-title {
  color: #fff;
}

.page-faq .faq-entries__figure {
  margin: clamp(22px, 3.2vw, 38px) 0;
  border-radius: var(--r-card);
  border: 1px solid var(--faq-hair);
  background: var(--indigo-deep);
  overflow: hidden;
}

.page-faq .faq-entries__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .entry-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .entry-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: 22px 20px;
  border-radius: var(--r-card);
  border: 1px solid var(--faq-hair);
  border-top: 3px solid var(--cyan);
  background: linear-gradient(168deg, rgba(27, 38, 80, .95), rgba(15, 22, 49, .95));
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .entry-card--family { border-top-color: var(--orange); }
.page-faq .entry-card--mobile { border-top-color: var(--violet); }
.page-faq .entry-card--bookmark { border-top-color: var(--rose); }

.page-faq .entry-card:hover {
  transform: translateY(-4px);
  border-color: var(--faq-hair);
}

.page-faq .entry-card__num {
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-faq .entry-card--family .entry-card__num { color: var(--orange); }
.page-faq .entry-card--mobile .entry-card__num { color: var(--violet); }
.page-faq .entry-card--bookmark .entry-card__num { color: var(--rose); }

.page-faq .entry-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: .05em;
  color: #fff;
}

.page-faq .entry-card__scene {
  flex: 1;
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .entry-card__time {
  align-self: flex-start;
  padding: 4px 11px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(49, 225, 210, .3);
  background: rgba(49, 225, 210, .1);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
}

/* ---------- 目录 + 教程 ---------- */
.page-faq .faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  padding-top: clamp(40px, 6vw, 88px);
}

.page-faq .faq-index {
  align-self: start;
  min-width: 0;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-index__list::-webkit-scrollbar { display: none; }

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  color: var(--faq-text);
  font-size: .9rem;
  white-space: nowrap;
  text-decoration: none;
  transition: background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-index__link .mono {
  color: var(--cyan);
  font-size: .76rem;
  letter-spacing: .1em;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(49, 225, 210, .1);
  border-left-color: var(--orange);
  color: #fff;
}

.page-faq .faq-docs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 42px);
  min-width: 0;
}

.page-faq .tut {
  position: relative;
  min-width: 0;
  padding: clamp(24px, 3vw, 38px);
  border-radius: var(--r-card);
  border: 1px solid var(--faq-hair);
  background: linear-gradient(180deg, rgba(27, 38, 80, .86), rgba(15, 22, 49, .93));
  scroll-margin-top: 96px;
}

.page-faq .tut::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--cyan), rgba(49, 225, 210, 0));
}

.page-faq .tut__head {
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-faq .tut__code {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 11px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(49, 225, 210, .3);
  background: rgba(49, 225, 210, .08);
  color: var(--cyan);
  font-size: .72rem;
  letter-spacing: .14em;
}

.page-faq .tut__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.36rem, 2.4vw, 1.94rem);
  line-height: 1.28;
  letter-spacing: .04em;
  color: #fff;
}

.page-faq .tut__scene {
  margin: 0;
  max-width: 64ch;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .tut__scene a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 225, 210, .4);
}

.page-faq .tut-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .tut-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-faq .tut-step__num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(49, 225, 210, .45);
  color: var(--cyan);
  font-size: .74rem;
  letter-spacing: .04em;
}

.page-faq .tut-step:first-child .tut-step__num {
  background: var(--orange);
  border-color: var(--orange);
  color: #24160A;
  font-weight: 700;
}

.page-faq .tut-step p {
  margin: 5px 0 0;
  font-size: .95rem;
  line-height: 1.78;
}

.page-faq .tut-step p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 225, 210, .4);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .tut-step p a:hover,
.page-faq .tut-step p a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-faq .tut__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

.page-faq .perm-map {
  margin: 0;
  min-width: 0;
  padding: 18px;
  border-radius: var(--r-card);
  border: 1px solid var(--faq-hair);
  background: rgba(15, 22, 49, .72);
}

.page-faq .perm-map__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .perm-map figcaption {
  margin-top: 12px;
  font-size: .84rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .tut__figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
  border-radius: var(--r-card);
  border: 1px solid var(--faq-hair);
  overflow: hidden;
}

.page-faq .tut__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 常见问题 ---------- */
.page-faq .faq-qna {
  padding: clamp(48px, 6vw, 96px) 0 clamp(56px, 7vw, 110px);
  scroll-margin-top: 96px;
}

.page-faq .faq-qna .section-title {
  color: #fff;
}

.page-faq .qna-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-faq .qna {
  min-width: 0;
  border-radius: var(--r-sm);
  border: 1px solid var(--faq-hair);
  background: rgba(27, 38, 80, .5);
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .qna[open] {
  border-color: rgba(49, 225, 210, .38);
  background: rgba(27, 38, 80, .88);
}

.page-faq .qna__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  color: #fff;
  font-size: .96rem;
  line-height: 1.55;
}

.page-faq .qna__q::-webkit-details-marker { display: none; }
.page-faq .qna__q::marker { content: ""; }

.page-faq .qna__mark {
  flex: none;
  width: 11px;
  height: 11px;
  margin-top: 6px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .qna[open] .qna__mark {
  transform: rotate(-135deg);
  border-color: var(--orange);
}

.page-faq .qna__a {
  padding: 0 18px 18px;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .qna__a p {
  margin: 0 0 10px;
}

.page-faq .qna__a p:last-child {
  margin-bottom: 0;
}

.page-faq .qna__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 225, 210, .4);
}

.page-faq .qna__a a:hover,
.page-faq .qna__a a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .entry-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .tut__split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-faq .qna-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-faq .entry-row {
    grid-template-columns: 1.4fr 1.05fr 1fr .95fr;
  }

  .page-faq .faq-grid {
    grid-template-columns: 208px minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 108px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .entry-card,
  .page-faq .qna,
  .page-faq .qna__mark,
  .page-faq .faq-index__link {
    transition: none;
  }

  .page-faq .entry-card:hover {
    transform: none;
  }
}